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ELECTRICAL SYSTEM
THE RELATED COMPONENTS
T h e w i r i n g d i a g r a m l o ca te d o n th e ca b in e t b ack or behind t he grille depicts the el ectr ical
sy s t em f or th a t m o de l . Al l e l e ctri c a l co mp o n e nts ar e grounded t o the cabinet. The gr een
ce n t er co n d u c to r i n th e po w e r cor d is atta ch e d to the cabinet to pr ovide a grounding ci rc uit
w h e n t h e c o rd i s pl u gg e d i n to a p r o p er ly g r ou nded out let. A fter making a r eplacement of
a n e l e ct ri ca l c o m p o ne n t, a l wa ys ma ke sur e th e g round wir e is reconnected.
T h e e l e c tr i ca l o u t l e t sh o ul d b e ch ecke d to ma ke sur e it is pr operly w ired. Check t he outlet
w i th a c i rc u i t t e st e r.
COMPR^ESSOR
TESTING THE COMPRESSOR DIRECT
T e st i n g t h e co m p re sso r wi th no o the r
w i r i n g i n t h e c i r c u i t i s c a l l e d t h e d i r e c t t e s t
m et h o d . T h e r e l a y a nd o ve rl o a d pr o te ctor
m us t b e re m o v e d in or de r to pe rfo r m th is
te s t . l t i s re co m m en d e d th a t a co mpr e sso r
te s t er i l l u s tra t e d b e lo w . b e u sed to m a ke
th is te s t .
The tester leads are marked RUN, START,
a nd C OM M ON . C o n ne ct the co mmon le a d
to
t h e
co m mo n te rmin a l of
th e
compressor, the start lead to the start
ter m i n a l a n d t h e ru n l ea d to th e r un
te rmi n al . T h e
co mpr esso r te r m in al
a r ra ng e m e n t s a re i l lu stra te d b e lo w. T he
o ther t wo leads ar e for a star t capac itor (if
used). W hen not in use, att ach the tw o
leads t oget her and place t he t oggl e sw i tc h
in t he OFF position. Make sure ther e ar e
no bar e leads touching the cabinet. Plug
in t he tester and flip t he swit ch to the s tart
posit ion. As soon as the compres s or
starts, release the switch to the run
posit ion. lf the com pr essor is operati ve, it
w i l l c o n t i n u e o p e r a t i n g o n t h e r u n
windings. lf the compr essor fails to run,
the compressor is defect ive and must be
r eplaced.
4-15
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